package test;

public class Demo02If {
    public static void main(String[]args)
    {
        System.out.println("天气真好");
        int age=15;
        if(age>=18)
        {
            System.out.println("今天去网吧");
        }
        else
        {
            System.out.println("今天回家睡大觉");
        }
    }

}
